A sample of 2kg monoatomic helium gas (a...

A sample of 2kg monoatomic helium gas (assumed ideal) is taken through the process ABC and another samples of 2 kg of the same gas is taken through the process ADC. Given that the molecular mass of helium = 4 amu, find the temperature of helium in the state D. [Take the universal gas constant `R= 25/3 J mol^(-1) K^(-1)`]

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